Earth’s periodic passage through the galaxy’s disk could initiate a series of events that ultimately lead to geological cataclysms and mass extinctions.
The Astronomy in Chile Educator Ambassadors Program explores the unique collaboration forged by U.S. astronomy observatories in Chile.
A nearby exploding star may affect Earth in ways we’re just now beginning to understand.
Get started on this wonderfully challenging marriage of artistic vision, nocturnal exploration, and technical sophistication.
This innovative company isn’t just about optics — the key is its people.
Spring’s best & brightest galaxies
Galaxies in and around Virgo offer a telescopic delight for deep-sky fans.
These 10×70 binoculars offer high-quality glass, rugged construction, and great low-light performance.